esamattis#490 - added addPossession helper

jwarykowski · Mar 31, 2016 · b2413aa · b2413aa
1 parent 2f78f0d
commit b2413aa
Show file tree

Hide file tree

Showing 2 changed files with 30 additions and 0 deletions.
diff --git a/addPossession.js b/addPossession.js
@@ -0,0 +1,18 @@
+var endsWith = require('./endsWith');
+var makeString = require('./helper/makeString');
+
+module.exports = function addPossession(str) {
+  str = makeString(str);
+
+  if (endsWith(str, '\'')) {
+    return str;
+  }
+  if (endsWith(str, '\'s') || endsWith(str, '`s') || endsWith(str, '´s')) {
+    return str;
+  }
+  if (endsWith(str, 's')) {
+    return str + '\'';
+  }
+
+  return str + '\'s';
+};
diff --git a/tests/addPossession.js b/tests/addPossession.js
@@ -0,0 +1,12 @@
+var equal = require('assert').equal;
+var addPossession = require('../addPossession');
+
+
+test('#addPossession', function() {
+  equal(addPossession('Apples\''), 'Apples\'');
+  equal(addPossession('Apples\'s'), 'Apples\'s');
+  equal(addPossession('Apples\`s'), 'Apples\`s');
+  equal(addPossession('Apples\´s'), 'Apples\´s');
+  equal(addPossession('Apples'), 'Apples\'');
+  equal(addPossession('Apple'), 'Apple\'s');
+});